Females in the GD 35-to-80-d group had higher percentages of vacuum chewing than those in the GD 1-to-34-d group and had higher percentages of bar biting than those in the GD ≥ 81-d group (P < 0.05; Table 3)
Females in the GD 35-to-80-d group had higher percentages of vacuum chewing than those in the GD 1-to-34-d group and had higher percentages of bar biting than those in the GD ≥ 81-d group (P < 0.05; Table 3)